@NotNull
public static Icon colorize(@NotNull final Icon source, @NotNull Color color, boolean keepGray) {
float[] base = Color.RGBtoHSB(color.getRed(), color.getGreen(), color.getBlue(), null);
final BufferedImage image =
UIUtil.createImage(source.getIconWidth(), source.getIconHeight(), Transparency.TRANSLUCENT);
final Graphics2D g = image.createGraphics();
source.paintIcon(null, g, 0, 0);
g.dispose();
final BufferedImage img =
UIUtil.createImage(source.getIconWidth(), source.getIconHeight(), Transparency.TRANSLUCENT);
int[] rgba = new int[4];
float[] hsb = new float[3];
for (int y = 0; y < image.getRaster().getHeight(); y++) {
for (int x = 0; x < image.getRaster().getWidth(); x++) {
image.getRaster().getPixel(x, y, rgba);
if (rgba[3] != 0) {
Color.RGBtoHSB(rgba[0], rgba[1], rgba[2], hsb);
int rgb = Color.HSBtoRGB(base[0], base[1] * (keepGray ? hsb[1] : 1f), base[2] * hsb[2]);
img.getRaster()
.setPixel(x, y, new int[] {rgb >> 16 & 0xff, rgb >> 8 & 0xff, rgb & 0xff, rgba[3]});
}
}
}
return createImageIcon(img);
}
private void setColor(Color color, Object source) {
float[] hsb = new float[3];
Color.RGBtoHSB(color.getRed(), color.getGreen(), color.getBlue(), hsb);
myColor = color;
myHue = hsb[0];
mySaturation = hsb[1];
myBrightness = hsb[2];
myOpacity = color.getAlpha();
fireColorChanged(source);
repaint();
}
public void setColor(Color color, Object source) {
float[] hsb = new float[3];
Color.RGBtoHSB(color.getRed(), color.getGreen(), color.getBlue(), hsb);
myBrightnessComponent.setValue(255 - (int) (hsb[2] * 255));
myBrightnessComponent.repaint();
myColorWheel.dropImage();
if (myOpacityComponent != null && source instanceof ColorPicker) {
myOpacityComponent.setValue(color.getAlpha());
myOpacityComponent.repaint();
}
myColorWheel.setColor(color, source);
}
/**
* Sets the selected color of this panel.
*
* <p>If this panel is in HUE, SAT, or BRI mode, then this method converts these values to HSB
* coordinates and calls <code>setHSB</code>.
*
* <p>This method may regenerate the graphic if necessary.
*
* @param r the red value of the selected color.
* @param g the green value of the selected color.
* @param b the blue value of the selected color.
*/
public void setRGB(int r, int g, int b) {
if (r < 0 || r > 255)
throw new IllegalArgumentException("The red value (" + r + ") must be between [0,255].");
if (g < 0 || g > 255)
throw new IllegalArgumentException("The green value (" + g + ") must be between [0,255].");
if (b < 0 || b > 255)
throw new IllegalArgumentException("The blue value (" + b + ") must be between [0,255].");
if (red != r || green != g || blue != b) {
if (mode == ColorPicker.RED || mode == ColorPicker.GREEN || mode == ColorPicker.BLUE) {
int lastR = red;
int lastG = green;
int lastB = blue;
red = r;
green = g;
blue = b;
if (mode == ColorPicker.RED) {
if (lastR != r) {
regenerateImage();
}
} else if (mode == ColorPicker.GREEN) {
if (lastG != g) {
regenerateImage();
}
} else if (mode == ColorPicker.BLUE) {
if (lastB != b) {
regenerateImage();
}
}
} else {
float[] hsb = new float[3];
Color.RGBtoHSB(r, g, b, hsb);
setHSB(hsb[0], hsb[1], hsb[2]);
return;
}
regeneratePoint();
repaint();
fireChangeListeners();
}
}
private void applyColorToHSB(final Color c) {
final float[] hbs = Color.RGBtoHSB(c.getRed(), c.getGreen(), c.getBlue(), null);
myRed.setText(String.valueOf(((int) (360f * hbs[0]))));
myGreen.setText(String.valueOf(((int) (100f * hbs[1]))));
myBlue.setText(String.valueOf(((int) (100f * hbs[2]))));
}